Because of her cheating husband, Elizabeth elicits patronizing "pity" from her so-called friends, but they (and he) don't suspect her plans.

After being thrown out of medical school for ethical violations, Dr. Peter Blood returns home to a small Cornish village, where he sets up a research laboratory in a secluded cave. There, he attempts to revive the dead, using kidnapped humans -- who he views as unworthy of life -- for their body parts, specifically, their hearts.

A glamour model helps Scotland Yard to catch a criminal gang.

Esoterica collector Dr Maitland buys an unusual skull from his ordinary source; the artifact is what remains of the Marquis De Sade. Much too soon, Maitland discovers that the skull is turning him into a frenzied killer.